Public WiFi hotspot or wireless internet networks installed at airports and railway stations are at risk of cyber attack, government agency Indian Computer Emergency Response Team (CERT-in) has warned.

Plans to generate 40 gigawatt (gw) power through rooftop solar by 2022 have started gathering steam with hospitals, bus stations, metro rails and airports also installing rooftop solar capacity as part of generating clean energy to be utilised for their own setup.